@article{DAN_1964_157_2_a11,
     author = {L. A. Simonyan},
     title = {On two radicals of {Lie} algebras},
     journal = {Doklady Akademii Nauk},
     pages = {281--283},
     year = {1964},
     volume = {157},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_157_2_a11/}
}